The mobile phone jammer is aimed at the uplink and downlink channels of the mobile phone system, and uses dual frequency, frequency division and frequency hopping filter technology to analyze the required shielding frequency. The spherical shielding space is customized according to the shielding power, and the shielding magnetic field is automatically formed within the specified range, so that the mobile phone (PHS, GSM, CDMA) is invalid in this space. Military bases, prisons, detention centers: Strictly control some requirements of the area, such as military bases, prisons, detention centers, etc., with a high degree of confidentiality, and mobile phones should be strictly controlled. In areas such as military sites, prisons and detention centers, blocking cell phone signals can greatly prevent leakage.
There are many reasons why schools install mobile cell phone jammer, but the main purpose is to block students’ mobile phone signals and prohibit students from using mobile phones in school. First of all, the use of mobile phone jammers in schools is based on the academic considerations of students. Students are the future pillars of the country, and the development of the country cannot be separated from generations of students. Therefore, in the student days, mobile phones cannot be destroyed by a generation of geniuses. Mobile jammers for important national qualification examinations. Secondly, the use of mobile phones by students not only affects their own learning, but also affects their health. They also reduce the school atmosphere and affect the school’s development.